[Bug c/14654] New: gcc does not support the visibility attribute?

[Bug c/14654] New: gcc does not support the visibility attribute?

[jkolb at brandeis dot edu]

When I try to compile this file:

#include <stdio.h>

void test() __attribute__ ((visibility ("hidden")));

void test() { puts("blah"); }

int
main(int argc, char **argv)
{
        test();
        return 0;
}

I get:
test.c: In function `test':
test.c:5: warning: visibility attribute not supported in this configuration; ignored

Also, I cannot build glibc now because it requires the visibility attribute. 
This is stock fsf gcc 3.3.3.

gcc -v
Reading specs from /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.3/specs
Configured with: /usr/src/gcc-3.3.3/configure --host=i686-pc-linux-gnu
--prefix=/usr --infodir=/usr/share/info --mandir=/usr/share/man
--enable-threads=posix --enable-languages=c,c++,f77,objc

I compiled it against linux 2.6.3.  There are a few people I know of who have
this issue but we can't figure out why.

-- 
           Summary: gcc does not support the visibility attribute?
           Product: gcc
           Version: 3.3.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jkolb at brandeis dot edu
                CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-03-19 15:56 -------
The reason why it is not supported is because your binutils does not support it, update that and rebuild 
GCC and you will get the attribute visibility working.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[jkolb at brandeis dot edu]

------- Additional Comments From jkolb at brandeis dot edu  2004-03-19 15:59 -------
I'm using binutils 2.14.90.0.8 Which version do i need to update to?

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-03-19 16:05 -------
Try an official FSF release of 2.14 as 2.14.90.0.8 is HJL's binutils based on a prelease and is most likely 
not working.  Also make sure that the gcc is finding the right as when configuring gcc.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[jkolb at brandeis dot edu]

------- Additional Comments From jkolb at brandeis dot edu  2004-03-19 19:30 -------
Downgraded to binutils 2.14.  Recompiled gcc, and I still get the error.  So I'm
going to revert back to my previous version of binutils.

jkolb@glorfindel:~$ ld --version
GNU ld version 2.14 20030612
Copyright 2002 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License.  This program has absolutely no warranty.

jkolb@glorfindel:~$ uname -a
Linux glorfindel 2.6.3 #1 Tue Mar 9 17:41:38 EST 2004 i686 unknown unknown GNU/Linux


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|INVALID                     |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[jkolb at brandeis dot edu]

------- Additional Comments From jkolb at brandeis dot edu  2004-03-19 19:32 -------
Created an attachment (id=5947)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=5947&action=view)
gcc compile log.

This is the gcc compile log.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[jkolb at brandeis dot edu]

------- Additional Comments From jkolb at brandeis dot edu  2004-03-20 21:18 -------
any thoughts?

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[worf at sbox dot tu-graz dot ac dot at]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |worf at sbox dot tu-graz dot
                   |                            |ac dot at


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[worf at sbox dot tu-graz dot ac dot at]

------- Additional Comments From worf at sbox dot tu-graz dot ac dot at  2004-03-21 22:49 -------
same problem here. 
downgraded to binutils 2.14 and rebuilt gcc, but no change. 
any idea what else can be the cause? 

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[jkolb at brandeis dot edu]

------- Additional Comments From jkolb at brandeis dot edu  2004-03-22 21:25 -------
Any help?

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[jkolb at brandeis dot edu]

------- Additional Comments From jkolb at brandeis dot edu  2004-03-25 06:27 -------
Turns out it's a weird version of coreutils, the problem was happening on
coreutils 5.2.0.  When I upgraded to 5.2.1 and then recompiled binutils and gcc
it went away.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WORKSFORME


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[worf at sbox dot tu-graz dot ac dot at]

------- Additional Comments From worf at sbox dot tu-graz dot ac dot at  2004-03-25 17:53 -------
after about 20 rebuilds of gcc i found out! 
No - it does not work by simply upgrade coreutils, and it's not a bug in 
coreutils. 
 
it is coreutils which does break it, but it seems to be a chown or something 
like that, because if i do a "export _POSIX2_VERSION=199209" before building 
gcc, everything is fine. 
 
and one of the new things of coreutils 5.2.0 is that "chown user.group" is 
invalid, a ":" is needed instead of the "." - which can be worked around by the 
export mentioned above. 
 
sigh - for 2 weeks i had a broken gcc, and trying to track the issue down i 
compleately messed up my system. but now there is light. unfortunately i have 
to do a reinstall now... 
 

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[jkolb at brandeis dot edu]

------- Additional Comments From jkolb at brandeis dot edu  2004-03-25 18:00 -------
Then why did mine fix itself? DId you recompile binutils before gcc?  Hm... I
also disabled the other languages (only built c and c++) so maybe that's the
problem?

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|WORKSFORME                  |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654

[Bug c/14654] gcc does not support the visibility attribute?

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-03-25 18:35 -------
It is a bug in coreutils as they should not have gotten ridden of the old options.  We have to 
support targets where "last -n 10" does not work but "last -10" does.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654